NTFS: Fix bug in mft record writing where we forgot to set the device in
the buffers when mapping them after the VM had discarded them.
Thanks to Martin MOKREJŠ for the bug report.
Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
diff --git a/fs/ntfs/ChangeLog b/fs/ntfs/ChangeLog
index 9709fac..21e21fe 100644
--- a/fs/ntfs/ChangeLog
+++ b/fs/ntfs/ChangeLog
@@ -174,6 +174,9 @@
fact that the vfs and ntfs inodes are one struct in memory to find
the ntfs inode in memory if present. Also, the ntfs inode has its
own locking so it does not matter if the vfs inode is locked.
+ - Fix bug in mft record writing where we forgot to set the device in
+ the buffers when mapping them after the VM had discarded them
+ Thanks to Martin MOKREJŠ for the bug report.
2.1.22 - Many bug and race fixes and error handling improvements.
diff --git a/fs/ntfs/mft.c b/fs/ntfs/mft.c
index ac9ff39..317f7c6 100644
--- a/fs/ntfs/mft.c
+++ b/fs/ntfs/mft.c
@@ -533,6 +533,7 @@
LCN lcn;
unsigned int vcn_ofs;
+ bh->b_bdev = vol->sb->s_bdev;
/* Obtain the vcn and offset of the current block. */
vcn = ((VCN)mft_no << vol->mft_record_size_bits) +
(block_start - m_start);
@@ -725,6 +726,7 @@
LCN lcn;
unsigned int vcn_ofs;
+ bh->b_bdev = vol->sb->s_bdev;
/* Obtain the vcn and offset of the current block. */
vcn = ((VCN)ni->mft_no << vol->mft_record_size_bits) +
(block_start - m_start);